Find the Phase Shift of the Function $$y = 4 \cos ( 3 \pi x + 2 )$$

Multiple Choice

Find the phase shift of the function.
- $$y = 4 \cos ( 3 \pi x + 2 )$$

A) $\frac { 2 } { 3 \pi }$ units to the left
B) $\frac { 2 } { 3 }$ units to the right
C) 2 units to the right
D) 2 units to the left